19744458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 44359680

約数和(自身を除く): 24615222

約数列:

[1, 2, 3, 6, 19, 31, 37, 38, 57, 62, 74, 93, 111, 114, 151, 186, 222, 302, 453, 589, 703, 906, 1147, 1178, 1406, 1767, 2109, 2294, 2869, 3441, 3534, 4218, 4681, 5587, 5738, 6882, 8607, 9362, 11174, 14043, 16761, 17214, 21793, 28086, 33522, 43586, 65379, 88939, 106153, 130758, 173197, 177878, 212306, 266817, 318459, 346394, 519591, 533634, 636918, 1039182, 3290743, 6581486, 9872229, 19744458]

約数ペア:

[(1, 19744458), (2, 9872229), (3, 6581486), (6, 3290743), (19, 1039182), (31, 636918), (37, 533634), (38, 519591), (57, 346394), (62, 318459), (74, 266817), (93, 212306), (111, 177878), (114, 173197), (151, 130758), (186, 106153), (222, 88939), (302, 65379), (453, 43586), (589, 33522), (703, 28086), (906, 21793), (1147, 17214), (1178, 16761), (1406, 14043), (1767, 11174), (2109, 9362), (2294, 8607), (2869, 6882), (3441, 5738), (3534, 5587), (4218, 4681)]